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| Categories | DTH Drill Bits |
|---|---|
| Brand Name: | MIROC |
| Model Number: | DTH Hammers Bits |
| Certification: | API ISO |
| Place of Origin: | china |
| MOQ: | 1 |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Delivery Time: | 15-20 |
| Applicable Industries: | Construction works , Energy & Mining |
| Type: | dth hammers bits, DTH hammer |
| Machine Type: | Drilling Tool, Drilling Tool |
| Material: | Carbide, 42CrNiMoV / YK05 |
| Use: | Well Drilling, tunneling/underground constrction/quarry |
| Color: | Green / Yellow or Based on Customers |
DHD112 12inch Dia310 to 420mm Hammer High Air Pressure DTH Hammers Bits
Features:
1.applicable hard,very hard and medium soft rock formations.
2.Reliable quality, long service life, rare abnormal breakage during service life.
3.Good flushing effect to ensure high drilling rate
4.Strict quality warranty and compensation rules
5.Can match to the original DHD112S etc
Order guide:
Bit Dia.+ Shank + Face shape + Carbide button shape
Examples For Ordinary Bits
Drop center bit, spherical+ballistic(other designs of faces and inserts are available)


Specification
ock drill bitDth rs are in different sizes ranging from 3" to 12".
Dth rock drill bits are available in valveless model and is competent to operate in harsh conditions
Applications of DTH Bit
• Underground mining
• Tunneling
• Quarry benching operations
Bit Dia.(mm) | Qty.× Button Dia.(mm) | Qty.Air Holes | Weight (kg) | ||
Outer | Front | Back | |||
| 310 | 15×19 | 9×19+10×19+9×16 | 12×12 | 3 | 140 |
| 315 | 18×18 | 9×18+15×18+9×16 | 9×16 | 3 | 145 |
| 320 | 18×18 | 9×18+15×18+9×16 | 9×16 | 3 | 150 |
| 333 | 18×19 | 9×18+15×18+14×16 | 6×12+6×16 | 3 | 155 |
| 350 | 15×19 | 9×19+15×19+15×16 | 12×12 | 3 | 170 |
| 381 | 18×18 | 12×18+18×18+21×16 | 9×14 | 3 | 190 |
| 400 | 18×19 | 12×19+18×19+29×16 | 12×12 | 3 | 230 |
| 420 | 18×19 | 12×19+18×19+30×16 | 12×12 | 3 | 235 |
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